GLM 5
GLM 5 is a flagship foundation model developed by Z.ai for complex systems design and long-horizon agent workflows. It is designed for expert developers and supports advanced reasoning and tool-calling capabilities.
GLM 5 specs and pricing
- Provider: Z.ai
- Released: February 11, 2026
- Context window: 205K tokens
- Max output: 131K tokens
- Input: text
- Output: text
- Price: $1.00 input / $3.20 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What GLM 5 is good at
- Complex systems design
- Long-horizon agent workflows
- Large-scale programming tasks
To-dos to try with GLM 5
- Analyze this multi-file codebase and identify potential architectural bottlenecks.
- Draft a step-by-step implementation plan for a distributed system based on these requirements.
- Use tool-calling to query the database and summarize the current status of all pending system tasks.
FAQ
- Who developed GLM 5? GLM 5 is an open-source foundation model developed by Z.ai.
- What is this model primarily designed to do? It is engineered for complex systems design, large-scale programming tasks, and long-horizon agent workflows.
- How much does GLM 5 cost? GLM 5 costs $1.00 per million input tokens and $3.20 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 3.25 credits ($1 = 100 credits).
- What is the context window of GLM 5? GLM 5 can read up to 205K tokens at once and write up to 131K tokens in one reply.
- Can I use GLM 5 without coding? Yes. In todo.is you pick GLM 5 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.